Where an asset buyer is on notice of, and therefore subject to, successor liability if he has notice that the seller may be contingently liable for withdrawal liability, a lower court ruling was partially affirmed and partially reversed.The 7th U.S. Circuit Court of Appeals affirmed in part and reversed in part a decision by U.S. District Judge Charles P. Kocoras.The Multiemployer Pension Plan Amendments Act of 1980 amended the Employee Retirement Income Security Act by imposing liability on employers who withdraw …